C PROGRAM

Write a C program to swapping the two values using a function with argument and return values 

#include <stdio.h>

#include<conio.h>

int add(int,int);

void main()

{

  int a,b,c;

  clrscr();

  printf("enter the values of a and b \n");

  scanf("%d%d",&a,&b);

  c=add(a,b);

  printf("the result is %d",c);

  getch();

  }

  int add(int m,int n)

  {

    int result;

    result=m+n;

    return(result);

   }

OUTPUT :

enter the values of a and b 

2

3

the result is 5

Process finished